Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quais pilotos venceram as etapas que estavam às 18:54 GMT?
 ###Tabelas: CREATE TABLE non-electronic-paper_displays (non-electronic-paper_displays_id AUTO_INCREMENT PRIMARY KEY, Maker VARCHAR, Model VARCHAR, Intro year VARCHAR, Screen size (inch) VARCHAR, Screen type VARCHAR, Weight VARCHAR, Screen pixels VARCHAR, Hours reading VARCHAR, Touch screen VARCHAR, Wireless network VARCHAR, Internal storage VARCHAR, Card reader slot VARCHAR) CREATE TABLE best_5_matches_by_atpworldtour.com (best_5_matches_by_atpworldtour.com_id AUTO_INCREMENT PRIMARY KEY, !Event INT, Round VARCHAR, Surface VARCHAR, Winner VARCHAR, Opponent VARCHAR, Result VARCHAR) CREATE TABLE special_stages (special_stages_id AUTO_INCREMENT PRIMARY KEY, Day VARCHAR, Stage VARCHAR, Time (GMT) VARCHAR, Name VARCHAR, Length VARCHAR, Winner VARCHAR, Time VARCHAR, Avg. spd. VARCHAR, Rally leader VARCHAR) CREATE TABLE doubles_35_20-15 (doubles_35_20-15_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score VARCHAR) CREATE TABLE most_isolated_major_summits (most_isolated_major_summits_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Mountain Peak VARCHAR, Province VARCHAR, Mountain Range VARCHAR, Location VARCHAR)  
SELECT Winner FROM special_stages WHERE Time (GMT) = 18:54